the study of the spatial distributions of insect populations. His 1984 review (Taylor 1984) is still well worth reading, as are the series of papers published in the late 1970s and early 1980s (Taylor et a/. 1978, 1979, 1980). The general ideas have a rich and long history in applied mathematical statistics (Greenwood and Yule 1920, Anscombe 1950). A generally used diagnostic for a mean variance power law is to use a log-log plot (variance of the data versus the mean of the data). In Figure 3.14 I show an example of such a diagnostic plot.

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